The disease of jealously is so malignant that is converts all it takes into its own nourishment.
— Joseph Addison

A malignant sore throat is a danger, a malignant throat not sore is worse.
Proverbs malignant quote

The moral immune system of this country has been weakened and attacked, and the AIDS virus is the perfect metaphor for it. The malignant neglect of the last twelve years has led to breakdown of our country's immune system, environmentally, culturally, politically, spiritually and physically.
— Barbra Streisand

It is very perplexing how an intrepid frontier people, who fought a wilderness, floods, tornadoes, and the Rockies, cower before criticism, which is regarded as a malignant tumor in the imagination.
— Edward Dahlberg

Doubtless criticism was originally benignant, pointing out the beauties of a work rather that its defects. The passions of men have made it malignant, as a bad heart of Procreates turned the bed, the symbol of repose, into an instrument of torture.
— malignant quotation by Henry Wadsworth Longfellow